Wind Energy Systems and Turbulence Modeling
Summary
Wind energy systems harness kinetic energy from moving air using rotor-equipped turbines installed onshore and offshore. The performance of these systems depends critically on the interaction between atmospheric meteorology and turbine aerodynamics. Turbulence in the atmospheric boundary layer induces unsteady loads and wake deficits that affect not only individual turbine efficiency but also the collective behaviour of large wind farms. Advanced turbulence modelling underpins the design and optimisation of rotor blades, tower structures and farm layouts, while computational and theoretical tools such as blade element momentum models, large-eddy simulation and Gaussian process surrogates enable accurate prediction of power production, fatigue lifetimes and wake recovery. Such developments are vital to maximise energy yield, reduce maintenance costs and support global decarbonisation.
Research from Nature Portfolio
Recent studies have introduced a unified momentum framework that generalises classical blade element momentum theory to accommodate arbitrary inflow angles and high thrust coefficients. By eliminating empirical corrections, this new modelling approach accurately predicts power output, thrust forces and wake dynamics across misaligned and high-load operating regimes. Coupling the unified momentum model with a rotor-resolved blade element scheme has yielded first-principles tools for design, control and optimisation of next-generation turbines, promising enhanced reliability and responsiveness to fluctuating atmospheric conditions.
Wind Energy Systems and Turbulence Modeling publication trend
The graph below shows the total number of articles in wind energy systems and turbulence modeling across all publications each year (not limited to Nature Index journals).
Technical terms
Atmospheric boundary layer: The lowest layer of the atmosphere directly affected by surface friction and characterised by turbulent mixing.
Wake: The region of reduced mean wind speed and increased turbulence downstream of a turbine rotor.
Blade element momentum theory: A hybrid aerodynamic model that combines blade element analysis with flow momentum conservation to predict rotor forces.
Large-eddy simulation: A computational fluid dynamics method that resolves the largest turbulent eddies while modelling subgrid scales.
Yaw misalignment: The intentional or inadvertent angular offset of the turbine rotor plane relative to the wind direction, used for wake steering.
References
- Unified momentum model for rotor aerodynamics across operating regimes. Nature Communications (2024).
- Wind-Turbine and Wind-Farm Flows: A Review. Boundary-Layer Meteorology (2019).
- Atmospheric Turbulence Effects on Wind-Turbine Wakes: An LES Study. Energies (2012).
- Comparison of wind farm large eddy simulations using actuator disk and actuator line models with wind tunnel experiments. Renewable Energy (2018).
- Initial results from a field campaign of wake steering applied at a commercial wind farm – Part 1. Wind Energy Science (2019).
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